ZnO gummikvalitet
MST ZnO gummikvalitet er et hvidt eller let gult fint pulver, som let kan dispergeres i gummi og latex. Det er et forstærkende middel, aktivt middel og vulkaniseringsmiddel til naturlig gummi og syntetisk gummi.
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ZnO gummikvalitet
MST ZnO gummikvalitet is a white or slightly yellow fine powder, which is easily dispersed in rubber and latex. It is a reinforcing agent, active agent and vulcanizing agent for natural rubber and synthetic rubber.
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Produktnavn |
Zinkoxid |
Molekylær formel |
ZnO |
|
CAS-nr |
1314-13-2 |
EINECS NR |
215-222-5 |
|
Massefylde |
5,606 g / cm3 |
Molekylær vægt |
81.38 |
|
Smeltepunkt |
1975â „ƒ |
Kogepunkt: |
2360ºC |
|
Renhed |
0.99 |
Indhold af aktivt stof |
0.997 |
|
H.S KODE |
2817001000 |
Udseende |
Hvidt pulver eller krystal |
Rollen af ZnOrubber-kvalitet i gummiforbindelsen:
1. ZnO gummikvalitet acts as an activator or accelerator in the formulation,
2. ZnO gummikvalitet can be used as an acid absorbent. When the rubber is vulcanized, it can absorb certain natural substances produced by the vulcanization reaction, such as HCl and so on.
3. ZnO gummikvalitet can improve the thermal performance of the rubber compound.
4. ZnO gummikvalitet can activate the entire vulcanization system，Zinc oxide and stearic acid together form zinc soap, improve the solubility of zinc oxide in the rubber compound, and form a complex with the accelerator, which is particularly active , It reacts with sulfur to form a strong vulcanizing agent.
5. ZnO gummikvalitet can increase the crosslink density. Zinc oxide reacts with stearic acid to form Zn2++ salt, which chelates with the pendant group of the sulfur-containing rubber accelerator to stabilize the weak bond and change the cleavage position of the sulfur bond. Vulcanize rubber to generate shorter cross-links, increase new cross-links, and increase cross-link density.
6. ZnO gummikvalitet can improve the aging resistance of the vulcanized rubber. During vulcanization and use, the polysulfide bond breaks, and the generated H2S will accelerate the cracking of the rubber. Zinc oxide will react with it to form new cross-linked bonds, stabilize the vulcanized network, and improve the resistance Aging performance.
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Standard: ã € ŠGB / T3185-2016ã € ‹ |
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Vare |
Type1 |
Type2 |
Type3 |
|
Zinkoxid Zn0 beregnes som tørt materiale)% â ‰ ¥ |
99.7 |
99.7 |
99.5 |
|
Metalindhold er Zn)% â ‰ ¤ |
ingen |
ingen |
0.008 |
|
Uopløseligt stof i Hci% â ‰ ¤ |
0.006 |
0.008 |
0.03 |
|
Tab ved tænding% â ‰ ¤ |
0.2 |
0.2 |
0.25 |
|
Rest på sigte (45um)% â ‰ ¤ |
0.1 |
0.15 |
0.2 |
|
Vandopløseligt stof% ‰ ¤ |
0.1 |
0.1 |
0.15 |
|
Flygtige stoffer i 105â „ƒ% â ‰ ¤ |
0.3 |
0.4 |
0.5 |
|
Bly (pbï¼ ‰% â ‰ ¤ |
0.008 |
0.05 |
0.1 |
|
Kobber (Cu)% â ‰ ¤ |
0.0002 |
0.0004 |
0.0007 |
|
Manganisme ¼% |
0.0001 |
0.0001 |
0.0003 |
|
Cadmium (Cdï¼ ‰% |
0.002 |
0.005 |
0.01 |
|
Jern (Fe ¼% |
0.005 |
0.01 |
— |
|
Specifikt overfladeareal ¼ˆm2 / g) |
enig |
— |
|
|
Olieoptagelse * / g / 100 g |
enig |
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Farve * (sammenlignet med standardprøve) |
enig |
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Affarvningskraft * (sammenlignet med standardprøve) â ‰ ¥ |
enig |
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Milepæl Industrial co. ltd., som en virksomhed med speciale i produktion af zinkoxid i 30 år år bevæger sig i retning af en ny retning, nemlig produktionsbaseret, industribaseret, globalt indkøb, globalt salg, indenlandsk og udenrigshandel integration, upstream og downstream integration, En global virksomhed med omfattende værditilvækst og sammensat konkurrenceevne bevæger sig fremad støt.
